Four in 10 people who end up in the Brisbane City Watchhouse test positive for amphetamines, including the drug ice, new research shows. The figure illustrates the link between crime and the highly-addictive and destructive drug, according to the Australian Institute of Criminology.

Indigenous communities would be able to put native title payments into a tax-exempt community future fund to promote economic development, under a proposal the Abbott government has said it would like to advance.

While Australians were preoccupied with the Budget, the Greens’ Sarah Hanson-Young has introduced legislation in the Senate to recognise same-sex “marriages” contracted overseas. The significance of the South Australian senator’s bill is that it seeks to reverse a 2004 amendment to the Commonwealth Marriage Act 1961, which defined marriage as the union of a man and a woman, entered into for life.

Parents have been told to be vigilant about teenagers' use of apps. Teenagers are using a popular smartphone app to arrange sexual encounters with strangers. Tinder, a popular app with an age restriction of 13 and above, allows users to “like” or “pass” on fellow users’ profiles based on their picture, with a mutual like opening the possibility to chat via the app.

Major business groups will ­embark on a community and ­industrial campaign to cut Sunday penalty rates across a range of sectors, arguing it will increase consumer access to weekend trading and provide more youth employment.